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156164069 = 6714915643
BaseRepresentation
bin10010100111011…
…01111111100101
3101212211221211102
421103231333211
5304434222234
623255045445
73604241555
oct1123557745
9355757742
10156164069
1180172416
1244370885
1326479799
1416a51165
15da9ac7e
hex94edfe5

156164069 has 8 divisors (see below), whose sum is σ = 159568800. Its totient is φ = 152791056.

The previous prime is 156164053. The next prime is 156164093. The reversal of 156164069 is 960461651.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 156164069 - 24 = 156164053 is a prime.

It is a super-2 number, since 2×1561640692 = 48774432893273522, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (156164369) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2162 + ... + 17804.

It is an arithmetic number, because the mean of its divisors is an integer number (19946100).

Almost surely, 2156164069 is an apocalyptic number.

It is an amenable number.

156164069 is a deficient number, since it is larger than the sum of its proper divisors (3404731).

156164069 is a wasteful number, since it uses less digits than its factorization.

156164069 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15859.

The product of its (nonzero) digits is 38880, while the sum is 38.

The square root of 156164069 is about 12496.5622872853. The cubic root of 156164069 is about 538.5099169474.

The spelling of 156164069 in words is "one hundred fifty-six million, one hundred sixty-four thousand, sixty-nine".

Divisors: 1 67 149 9983 15643 1048081 2330807 156164069